1 // With no repr attribute the discriminant will default to isize.
2 // On 32-bit architectures this is equivalent to i32 so the variants
3 // collide. On other architectures we need compilation to fail anyway,
5 #[cfg_attr(not(target_pointer_width = "32"), repr(i32))]
8 Bu64 = 0x8000_0000_0000_0000 //~ERROR already exists